The process 1:
20MAR2011 16h15m28s <============ read entry
Read Key <= script1 
Read Key <= script2 
Read Key <= script3 
20MAR2011 16h15m28s <============ read exit
Delete Key <= script1 
Delete Key <= script2
Delete Key <= script3

20MAR2011 16h15m28s <========== TIME IN WRITE
Key <= script2 
Key <= script3 
20MAR2011 16h15m28s <==========End TIME IN WRITE

The Process 2:
20MAR2011 16h15m38s <============ read entry
Read Key <= script1 
Read Key <= script2
Read Key <= script3
20MAR2011 16h15m38s <============ read exit
Delete Key <= script1 
Delete Key <= script2
Delete Key <= script3
20MAR2011 16h15m38s <========== TIME IN WRITE
Key <= script1 
Key <= script3
20MAR2011 16h15m38s <==========End TIME IN WRITE

The Process 3:
20MAR2011 16h15m41s <============ read entry
Read Key <= script1 
Read Key <= script2
Read Key <= script3
20MAR2011 16h15m41s <============ read exit
Delete Key <= script1
Delete Key <= script2
Delete Key <= script3
20MAR2011 16h15m41s <========== TIME IN WRITE
Key <= script1 
Key <= script2
20MAR2011 16h15m41s <==========End TIME IN WRITE